Lithium battery split rocker arm double-sided laminator

Abstract

The utility model discloses a lithium battery piece type rocker arm double-sided film sticking machine, which belongs to the technical field of lithium battery film sticking, and comprises a frame body, the frame body comprises a pair of table plates and a plurality of supporting legs, the tops of the plurality of supporting legs are respectively and fixedly connected with four corners of the bottom of one table plate, the other table plate is fixedly arranged among the plurality of supporting legs, and the table plates are fixedly connected with the supporting legs. The machine further comprises a rocker arm film pasting assembly and a battery fixing assembly, the battery fixing assembly is used for clamping a lithium battery piece, the battery fixing assembly is installed at the top of the frame body, the frame body further comprises a hollow cylinder, and the hollow cylinder penetrates through the table plate at the top and is fixedly connected with the table plate. The film roller is driven by the rocker arm body to rotate around the lithium battery piece, so that an insulating film can be pasted on the surfaces of the two sides of the lithium battery piece, and the problems that most of existing lithium battery film pasting machines are complex in structure and inconvenient for multi-layer film covering, so that the overhaul and maintenance cost is high, and the lithium battery protection performance is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery film laminating, and in particular to a lithium battery slice-type rocker arm double-sided film laminating machine. Background Art

[0002] During the production process of lithium batteries, most of them are designed to be in sheet shape for easy transportation. To prevent surface scratches and leakage during transportation and assembly, a laminating machine is usually used to wrap a single-sided sticky insulating film on the surface of the battery. This can prevent water and dust, thereby better protecting the battery.

[0003] For example, a lithium battery double-sided film laminating machine with improved safety performance, which is disclosed in China Patent Publication No. CN218660459U, involves the technical field of lithium battery film laminating machines, and solves the problem that the film laminating pressure and the spacing between the film laminating rollers of the existing film laminating machine cannot be adjusted, and cannot adapt to the use of double-sided film laminating protection for batteries of different types, qualities and thicknesses, including a pressure roller, which is rotatably connected to the inside of the pressure frame. Although this solution can freely adjust the film laminating pressure and the spacing between the pressure roller and the fixed roller, it requires the cooperation of multiple film rollers and pressure rollers to complete the double-sided laminating, and the structure is relatively complex, resulting in high maintenance costs, and it is not convenient for multi-layer laminating, thereby increasing the protection of lithium batteries. Utility Model Content

[0004] The utility model aims to provide a lithium battery split-type rocker arm double-sided film laminating machine, which can facilitate multi-layer lamination of lithium batteries and has a relatively simple structure, which is conducive to reducing maintenance costs.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A lithium battery split-type rocker arm double-sided film laminating machine is provided, comprising a frame, the frame comprising a pair of table boards and a plurality of supporting legs, the tops of the plurality of supporting legs are respectively fixedly connected to the four corners of the bottom of one of the table boards, the other table board is fixedly installed between the plurality of supporting legs, and also comprising a rocker arm laminating assembly and a battery fixing assembly, the battery fixing assembly is used to clamp the lithium battery sheet, the battery fixing assembly is installed on the top of the frame, the frame also comprises a hollow cylinder, the hollow cylinder passes through the top table board and is fixedly connected thereto, the rocker arm laminating assembly comprises a ring, a rocker arm body, A membrane roller, a gear ring, a gear, a round rod and a motor. The ring is sleeved on the outer periphery of the hollow cylinder and is rotatably connected to the same. One end of the rocker arm body is fixedly connected to the ring. The bottom of the membrane roller is rotatably connected to the end of the top of the rocker arm body away from the ring. An annular groove is provided at the bottom of the ring. The gear ring is fixedly installed in the annular groove. An empty groove is provided on one side of the hollow cylinder. One side of the gear is located in the empty groove and meshes with the gear ring. The top of the motor is fixedly connected to the bottom of the table board at the bottom. The output shaft of the motor passes through the table board at the bottom and is coaxially connected to the bottom of the round rod. The top of the round rod is coaxially connected to the bottom of the gear.

[0007] Furthermore, the battery fixing assembly includes an operating table and a pair of fixing blocks. The bottom of the operating table is fixedly connected to the top of the hollow cylinder. The two fixing blocks are movably installed on both sides of the top of the operating table. A slot is opened on the top of the fixing block, and the slot is plugged into the two sides of the bottom of the lithium battery cell.

[0008] Furthermore, the battery fixing assembly also includes a plurality of bolts, grooves are provided at both ends of the fixing block, a plurality of circular holes are provided on the top of the operating table, and the bottom of the bolt passes through the bottom wall of the groove and is threadedly connected to the circular hole.

[0009] Furthermore, the rocker arm body includes a sleeve, a support rod, a sliding rod and an insertion rod. One side of the sleeve is fixedly connected to the ring, one side of the top of the support rod is rotatably connected to the bottom of the membrane roller, one side of the sliding rod is fixedly connected to the support rod, and the other side of the sliding rod is slidably connected to the sleeve. A plurality of sockets are provided at one end of the sliding rod, and one end of the insertion rod passes through the sleeve and is plugged into and matched with the sockets.

[0010] Furthermore, the rocker arm film laminating assembly also includes a protrusion, a support rod, and a pressure roller. One end of the protrusion is fixedly connected to the support rod, the bottom of the pressure roller is rotatably connected to the top of the support rod, and the support rod is movably installed at one end of the protrusion.

[0011] Furthermore, the rocker arm film assembly also includes a turntable and a threaded rod, one end of the threaded rod is coaxially connected to the turntable, one end of the protrusion is provided with a sliding groove, the sliding groove is slidingly connected to one end of the support rod, the other end of the threaded rod passes through the support rod and the side wall of the protrusion and is rotatably connected thereto, and one end of the support rod is threadedly connected to the outer periphery of the threaded rod.

[0012] Beneficial effects of the utility model: The utility model provides a battery fixing assembly, a rocker body and a film roller. When applying film to the surfaces of both sides of a lithium battery cell, the lithium battery cell is mounted on the top of the frame through the battery fixing assembly, and one end of the insulating film on the film roller is attached to the surface of one side of the lithium battery cell, and the insulating film is tightened to maintain a certain tension. Then, the rocker body drives the film roller to rotate around the lithium battery cell, so that the insulating film can be attached to the surface of the lithium battery cell. The device has a simple structure, and only one film roller is needed to complete double-sided film application. The number of layers of insulating film on the surface of the lithium battery cell can be increased by controlling the number of rotations of the rocker body, and it is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for use in the embodiments of the present utility model. Obviously, the drawings described below are only some embodiments of the present utility model, and for ordinary technicians in this field, other drawings can also be obtained based on these drawings without creative work.

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a disassembled diagram of the frame and battery fixing assembly structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the frame structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the rocker arm film assembly of the utility model;

[0018] Figure 5 This is a disassembled diagram of the support rod and support rod structure of the utility model.

[0019] In the figure:

[0020] 1. frame; 10. table top; 11. supporting legs; 12. hollow cylinder; 120. empty slot;

[0021] 2. Rocker film assembly; 20. Ring; 200. Annular groove; 21. Film roller; 22. Gear ring; 23. Gear; 24. Round rod; 25. Motor; 26. Bump; 260. Slide; 27. Support rod; 28. Pressing roller; 29. ​​Turntable; 290. Threaded rod;

[0022] 3. rocker arm body; 30. sleeve; 31. support rod; 32. slide rod; 320. jack; 33. plug rod;

[0023] 4. Battery fixing assembly; 40. Operating table; 400. Round hole; 41. Fixing block; 410. Slot; 411. Groove; 42. Bolt. DETAILED DESCRIPTION

[0024] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0025] Among them, the drawings are only used for illustrative explanations, and they only represent schematic diagrams rather than actual pictures, and should not be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0026] Reference Figures 1 to 5The lithium battery split-type rocker double-sided film laminating machine shown in the figure includes a frame 1, the frame 1 includes a pair of table boards 10 and a plurality of supporting legs 11, the tops of the plurality of supporting legs 11 are respectively fixedly connected to the four corners of the bottom of one of the table boards 10, and the other table board 10 is fixedly installed between the plurality of supporting legs 11, and is characterized in that it also includes a rocker film laminating assembly 2 and a battery fixing assembly 4, the battery fixing assembly 4 is used to clamp the lithium battery sheet, the battery fixing assembly 4 is installed on the top of the frame 1, the frame 1 also includes a hollow cylinder 12, the hollow cylinder 12 passes through the top table board 10 and is fixedly connected thereto, the rocker film laminating assembly 2 includes a ring 20, a rocker arm body 3, a film roller 21, and a gear ring 22. , gear 23, round rod 24 and motor 25, the ring 20 is sleeved on the outer periphery of the hollow cylinder 12 and is rotatably connected thereto, one end of the rocker body 3 is fixedly connected to the ring 20, the bottom of the film roller 21 is rotatably connected to the end of the top of the rocker body 3 away from the ring 20, an annular groove 200 is provided at the bottom of the ring 20, the gear ring 22 is fixedly installed in the annular groove 200, an empty groove 120 is provided on one side of the hollow cylinder, one side of the gear 23 is located in the empty groove 120 and meshes with the gear ring 22, the top of the motor 25 is fixedly connected to the bottom of the table board 10 at the bottom, the output shaft of the motor 25 passes through the table board 10 at the bottom and is coaxially connected to the bottom of the round rod 24, and the top of the round rod 24 is coaxially connected to the bottom of the gear 23. First, the lithium battery cell is installed on the top of the frame 1 through the battery fixing assembly 4, and then the insulating film is sleeved on the outer periphery of the film roller 21, one end of the insulating film is attached to the surface of one side of the lithium battery cell, and the insulating film is tightened to maintain a certain tension. Then, the motor 25 is powered on, and its output shaft drives the round rod 24 and the gear 23 to rotate, and through the meshing transmission between the gear 23 and the gear ring 22, drives the ring 20 to rotate around the hollow cylinder 12. At this time, the rocker body 3 rotates with the ring 20, driving the film roller 21 to rotate around the lithium battery sheet. At the same time, the film roller 21 rotates on the top of the rocker body 3, so that the insulating film is attached to the surface of the lithium battery sheet. And when the rocker body 3 rotates one circle, a layer of insulating film is attached to the surface of the lithium battery sheet on both sides of the lithium battery sheet. If the rocker body 3 continues to rotate, the number of layers of insulating film on the surface of the lithium battery sheet can be increased.

[0027] The battery fixing assembly 4 includes an operating table 40 and a pair of fixing blocks 41. The bottom of the operating table 40 is fixedly connected to the top of the hollow cylinder. The two fixing blocks 41 are movably installed on both sides of the top of the operating table 40. A slot 410 is provided on the top of the fixing block 41. The slot 410 is plugged and matched with the two sides of the bottom of the lithium battery cell. The fixing block 41 is installed at a suitable position on the top of the operating table 40, and the lithium battery cell is moved so that the two ends of the bottom are inserted into the two slots 410. The lithium battery cell can be supported and limited by the fixing block 41.

[0028] The battery fixing assembly 4 also includes a plurality of bolts 42. Grooves 411 are provided at both ends of the fixing block 41. A plurality of round holes 400 are provided on the top of the operating table 40. The bottom of the bolt 42 passes through the bottom wall of the groove 411 and is threadedly connected with the round hole 400. The fixing block 41 is moved to a suitable position, and then the bolt 42 is moved to pass through the bottom wall of the groove 411 and is threadedly connected with the round hole 400 on the operating table. The fixing block 41 can be installed at a suitable position, and the installation position of the fixing block 41 can be adjusted by providing a plurality of round holes 400 to adapt to lithium battery cells of different volumes.

[0029] The rocker arm body 3 includes a sleeve 30, a support rod 31, a slide rod 32 and an insertion rod 33. One side of the sleeve 30 is fixedly connected to the ring 20, one side of the top of the support rod 31 is rotatably connected to the bottom of the film roller 21, one side of the slide rod 32 is fixedly connected to the support rod 31, and the other side of the slide rod 32 is slidably connected to the sleeve 30. One end of the slide rod 32 is provided with a plurality of insertion holes 320, and one end of the insertion rod 33 passes through the sleeve 30 and is plugged into the insertion hole 320. The support rod 31 is moved to drive one end of the slide rod 32 to slide to a suitable position in the sleeve 30, and then the insertion rod 33 is fixed to make it pass through the side wall of the sleeve 30 and be plugged into the insertion hole 320 on the slide rod 32. The length of the rocker arm body 3 can be adjusted through the plurality of insertion holes 320 provided on the slide rod 32, so as to further adapt to lithium battery cells of different volumes.

[0030] The rocker arm film assembly 2 also includes a protrusion 26, a support rod 27, and a pressure roller 28. One end of the protrusion 26 is fixedly connected to the support rod 31, the bottom of the pressure roller 28 is rotatably connected to the top of the support rod 27, and the support rod 27 is movably mounted on one end of the protrusion 26. First, one end of the insulating film is pulled and passed around one side of the pressure roller 28, and then it is attached to one side of the surface of the lithium battery sheet. When the rocker arm body 3 rotates, the pressure roller 28 rotates and squeezes the insulating film at the same time, thereby increasing the surface tension of the insulating film, making the attachment tighter and smoother.

[0031] The rocker film assembly 2 also includes a turntable 29 and a threaded rod 290, one end of the threaded rod 290 is coaxially connected to the turntable 29, one end of the protrusion 26 is provided with a slide groove 260, the slide groove 260 is slidably connected to one end of the support rod 27, the other end of the threaded rod 290 passes through the support rod 31 and is rotatably connected to the side wall of the protrusion 26, and one end of the support rod 27 is threadedly connected to the outer periphery of the threaded rod 290. The turntable 29 is rotated to drive the threaded rod 290 to rotate, and through the threaded transmission between the threaded rod 290 and the support rod 27, one end of the support rod 27 slides in the slide groove 260, and the distance between the pressure roller 28 and the film roller 21 is adjusted, thereby adjusting the size of the pressure roller 28 squeezing the insulating film.

[0032] It should be noted that the above specific implementations are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art should understand that various modifications, equivalent substitutions, changes, etc. can be made to the present invention. However, as long as these changes do not deviate from the spirit of the present invention, they should be within the scope of protection of the present invention. In addition, some terms used in the specification and claims of this application are not restrictive, but are only for the convenience of description.

Claims

1. A lithium battery split-type rocker double-sided film laminating machine, comprising a frame (1), the frame (1) comprising a pair of table tops (10) and a plurality of supporting legs (11), the tops of the plurality of supporting legs (11) are respectively fixedly connected to the four corners of the bottom of one of the table tops (10), and the other table top (10) is fixedly installed between the plurality of supporting legs (11), characterized in that: The invention also includes a rocker film assembly (2) and a battery fixing assembly (4). The battery fixing assembly (4) is used to clamp the lithium battery sheet. The battery fixing assembly (4) is installed on the top of the frame (1). The frame (1) also includes a hollow cylinder (12). The hollow cylinder (12) passes through the top table board (10) and is fixedly connected thereto. The rocker film assembly (2) includes a ring (20), a rocker body (3), a film roller (21), a gear ring (22), a gear (23), a round rod (24) and a motor (25). The ring (20) is sleeved on the outer periphery of the hollow cylinder (12) and is rotatably connected thereto. One end of the rocker body (3) is connected to the ring (21). 0), the bottom of the membrane roller (21) is rotatably connected to the end of the top of the rocker arm body (3) away from the ring (20), the bottom of the ring (20) is provided with an annular groove (200), the gear ring (22) is fixedly installed in the annular groove (200), one side of the hollow cylinder is provided with an empty groove (120), one side of the gear (23) is located in the empty groove (120) and meshes with the gear ring (22), the top of the motor (25) is fixedly connected to the bottom of the table top (10) at the bottom, the output shaft of the motor (25) passes through the bottom table top (10) and is coaxially connected to the bottom of the round rod (24), and the top of the round rod (24) is coaxially connected to the bottom of the gear (23).

2. A lithium battery split-type rocker arm double-sided film laminating machine according to claim 1, characterized in that: The battery fixing assembly (4) comprises an operating table (40) and a pair of fixing blocks (41); the bottom of the operating table (40) is fixedly connected to the top of the hollow cylinder; the two fixing blocks (41) are movably mounted on both sides of the top of the operating table (40); a slot (410) is provided on the top of the fixing block (41); and the slot (410) is plugged into and matched with both sides of the bottom of the lithium battery sheet.

3. A lithium battery split-type rocker arm double-sided film laminating machine according to claim 2, characterized in that: The battery fixing assembly (4) further comprises a plurality of bolts (42), both ends of the fixing block (41) are provided with grooves (411), the top of the operating table (40) is provided with a plurality of circular holes (400), and the bottom of the bolts (42) passes through the bottom wall of the grooves (411) and is threadedly connected to the circular holes (400).

4. A lithium battery split-type rocker arm double-sided film laminating machine according to claim 1, characterized in that: The rocker arm body (3) comprises a sleeve (30), a support rod (31), a slide rod (32) and an insertion rod (33); one side of the sleeve (30) is fixedly connected to the ring (20); one side of the top of the support rod (31) is rotatably connected to the bottom of the film roller (21); one side of the slide rod (32) is fixedly connected to the support rod (31); the other side of the slide rod (32) is slidably connected to the sleeve (30); a plurality of insertion holes (320) are provided at one end of the slide rod (32); one end of the insertion rod (33) passes through the sleeve (30) and is plugged into and matched with the insertion hole (320).

5. A lithium battery split-type rocker arm double-sided film laminating machine according to claim 4, characterized in that: The rocker arm film-applying assembly (2) also includes a convex block (26), a support rod (27), and a pressure roller (28); one end of the convex block (26) is fixedly connected to the support rod (31); the bottom of the pressure roller (28) is rotatably connected to the top of the support rod (27); and the support rod (27) is movably mounted on one end of the convex block (26).

6. A lithium battery split-type rocker arm double-sided film laminating machine according to claim 5, characterized in that: The rocker arm film assembly (2) also includes a turntable (29) and a threaded rod (290), one end of the threaded rod (290) is coaxially connected to the turntable (29), one end of the protrusion (26) is provided with a slide groove (260), the slide groove (260) is slidably connected to one end of the support rod (27), the other end of the threaded rod (290) passes through the support rod (31) and the side wall of the protrusion (26) and is rotatably connected thereto, and one end of the support rod (27) is threadedly connected to the outer periphery of the threaded rod (290).

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